if isdirectory(expand("~/.vim/bundle/tabular"))
    nmap <Leader>a& :Tabularize /&<CR>
    vmap <Leader>a& :T, { 'on':  ['NERDTreeToggle', 'NERDTreeTabsToggle'] }abularize /&<CR>
    nmap <Leader>a= :Tabularize /^[^=]*\zs=<CR>
    vmap <Leader>a= :Tabularize /^[^=]*\zs=<CR>
    nmap <Leader>a=> :Tabularize /=><CR>
    vmap <Leader>a=> :Tabularize /=><CR>
    nmap <Leader>a: :Tabularize /:<CR>
    vmap <Leader>a: :Tabularize /:<CR>
    nmap <Leader>a:: :Tabularize /:\zs<CR>
    vmap <Leader>a:: :Tabularize /:\zs<CR>
    nmap <Leader>a, :Tabularize /,<CR>
    vmap <Leader>a, :Tabularize /,<CR>
    nmap <Leader>a,, :Tabularize /,\zs<CR>
    vmap <Leader>a,, :Tabularize /,\zs<CR>
    nmap <Leader>a<Bar> :Tabularize /<Bar><CR>
    vmap <Leader>a<Bar> :Tabularize /<Bar><CR>
endif
